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69976 (1998 WD6)
Classification: Main-belt Asteroid          SPK-ID: 2069976
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

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Orbital Elements at Epoch 2457400.5 (2016-Jan-13.0) TDB
Reference: JPL 15 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .178390839720216 6.1902e-08  
a 3.03872069090349 2.8629e-08 au
q 2.496640755178021 1.9544e-07 au
i 4.491679962546266 6.6647e-06 deg
node 14.23772249848171 8.5358e-05 deg
peri 66.1338837686481 8.7992e-05 deg
M 67.65843536540922 1.9518e-05 deg
tp 2457036.874734869399
(2015-Jan-14.37473487)
0.00010486 JED
period 1934.793418441099
5.30
2.7343e-05
7.486e-08
d
yr
n .1860663761664329 2.6295e-09 deg/d
Q 3.580800626628959 3.3736e-08 au
  Orbit Determination Parameters
   # obs. used (total)      691  
   data-arc span      8005 days (21.92 yr)  
   first obs. used      1994-01-17  
   last obs. used      2015-12-18  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-BIG16  
   condition code      0  
   fit RMS      .52125  
   data source      ORB  
   producer      Otto Matic  
   solution date      2016-Jan-04 15:47:41  

Additional Information
 Earth MOID = 1.51585 au 
 Jupiter MOID = 1.70984 au 
 T_jup = 3.212 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 14.2 mag n/a MPO333400  

69976 (1998 WD6)          Discovered 1998-Nov-18 by Ueda, S., Kaneda, H. at Kushiro
Reference: 20031109/Numbers.arcLast Updated: 2004-04-19

[ show close-approach data ]
Alternate Designations
 1998 WD6 = 1994 BQ5 = 2000 EM130 
Ephemeris | Orbit Diagram | Orbital Elements | Physical Parameters | Discovery Circumstances | Close-Approach Data ]
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